Spira Hunter

This is a special skill only used by Aeons in the Final Fantasy X Collaboration Event. As such, it only comes into play against fiends exclusive to that event:
 * Fire Flan
 * Water Flan
 * Wind Flan
 * Earth Flan
 * White Flan
 * Black Flan
 * Vidatu / Aerouge
 * Shantak / Garuda
 * Gigaflan

This may also affect:
 * Golden Flan
 * Valefor (Sicarius)
 * Ifrit (Sicarius)
 * Shiva (Sicarius)
 * Anima (Sicarius)
 * Yojimbo (Sicarius).